.box{
    width: 640px;
    height: 340px;
    position: relative;
}
.box-img{
    width: 640px;
    height: 340px;
   position: absolute;
   opacity: 1;
   transition: all 1.5s;
}
.box-left{
    width: 25px;
    height: 70px;
    background-color: #000;
    color: #fff;
    line-height: 70px;
    text-align: center;
    position: absolute;
    top: 50%;
    cursor: pointer;
    border-radius: 0 10px 10px 0;
}
.box-left:hover{
    background-color: #a69898;
}
.box-right{
    width: 25px;
    height: 70px;
    background-color: #000;
    color: #fff;
    line-height: 70px;
    text-align: center;
    position: absolute;
    top: 50%;
    right: 0;
    cursor: pointer;
    border-radius:  10px 0  0 10px;
}
.box-right:hover{
    background-color: #a69898;
}
.radis ul{
    position: absolute;
    list-style: none;
    display: flex;
    border-radius: 15%;
    background-color: rebeccapurple;
    height: 15px;
    align-items: center;
    bottom: 20px;
    right: 80px;
    
}
.radis ul li{
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #fff;
  margin-left: 5px;
  margin-right: 5px;
  background-color: #fff;
  cursor: pointer;

}
.radis ul li:nth-child(1){
    background-color: #a69898;
}
.radis ul li:hover{
    background-color: #a69898;
}
